#1B207C#1B207C

#1B207C is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.4% C 0.151 H 271.4°. Best body text is #FFFFFF at 13.60:1 contrast (WCAG AA passes).

Color values

HEX	#1B207C
RGB	rgb(27, 32, 124)
HSL	hsl(237, 64%, 30%)
HSV	hsv(237, 78%, 49%)
CMYK	cmyk(78.2%, 74.2%, 0%, 51.4%)
CIE-LAB	lab(18.89, 31.90, -52.29)
CIE-LCH	lch(18.89, 61.25, 301.39°)
OKLab	oklab(31.41% 0.0037 -0.1513)
OKLCH	oklch(31.41% 0.151 271.4)
XYZ	xyz(4.6054, 2.7208, 19.3473)
Luminance	0.0272 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B207C #7C771B

analogous

#1B517C #1B207C #471B7C

triadic

#1B207C #7C1B20 #207C1B

tetradic

#1B207C #7C1B51 #7C771B #1B7C47

square

#1B207C #7C1B51 #7C771B #1B7C47

split-complementary

#1B207C #7C471B #517C1B

monochromatic

#050619 #10134A #1B207C #262DAE #3D45D5

Accessibility & contrast

On white

13.60

#1B207C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#1B207C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B207C

13.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B207C	#FFFFFF	#000000	##FFFFFF
##1B207C	1.00	13.60	1.54	13.60
#FFFFFF	13.60	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337F

Deuteranopia (green-blind)

#00297A

Tritanopia (blue-blind)

#003A4B

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1b207c;
/* rgb */ color: rgb(27, 32, 124);
/* oklch */ color: oklch(31.4% 0.151 271.4);

Tailwind

colors: {
  custom: {
    50: '#695ca3',
    500: '#1b207c',
    950: '#000000',
  },
}

SCSS

$custom: #1b207c;
$custom-light: #695ca3;
$custom-dark: #000000;

JSON

{
  "hex": "#1b207c",
  "rgb": {
    "r": 27,
    "g": 32,
    "b": 124
  },
  "hsl": {
    "h": 236.907,
    "s": 64.238,
    "l": 29.608
  },
  "oklch": {
    "l": 0.31406,
    "c": 0.15139,
    "h": 271.4
  },
  "luminance": 0.02721
}

Semantic roles & 50–950 ramp

primary

#1B207C

secondary

#B0AA43

accent

#DF41E7

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #1B207C

Body copy rendered with the generated semantic roles for this colour.

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